[android] run the example err

D:\hazerWork\lib\react-native-xmpp\XmppDemo>npm start

> XmppDemo@0.0.1 start D:\hazerWork\lib\react-native-xmpp\XmppDemo
> node node_modules/react-native/local-cli/cli.js start

┌────────────────────────────────────────────────────────── ──────────────────┐
│ Running packager on port 8081. │
│ │
│ Keep this packager running while developing on any JS projects. Feel │
│ free to close this tab and run your own packager instance if you │
│ prefer. │
│ │
│ https://github.com/facebook/react-native │
│ │
└────────────────────────────────────────────────────────── ──────────────────┘
Looking for JS files in
D:\hazerWork\lib\react-native-xmpp\XmppDemo\node_modules.0.30.0@react-native

[11:55:52] Building Dependency Graph
[11:55:53] Crawling File System
[Hot Module Replacement] Server listening on /hot

React packager ready.

[11:56:06] request:/index.android.bundle?platform=android&dev=true&hot=false&minify=false
[11:56:06] find dependencies

<--- Last few GCs --->

257806 ms: Scavenge 1392.3 (1457.6) -> 1392.3 (1457.6) MB, 6.6 / 0 ms (+ 1.0 ms in 1 steps since last GC) [allocation failure] [incremental marking delaying mark-sweep].
258471 ms: Mark-sweep 1392.3 (1457.6) -> 1391.1 (1457.6) MB, 665.9 / 0 ms (+ 137.0 ms in 1440 steps since start of marking, biggest step 7.0 ms) [last resort gc].
259136 ms: Mark-sweep 1391.1 (1457.6) -> 1390.8 (1457.6) MB, 664.2 / 0 ms [last resort gc].

<--- JS stacktrace --->

==== JS stack trace =========================================

Security context: 0000033CA02B4639
1: indexOf(aka indexOf) [native string.js:~76] [pc=0000002DF57A95CD] (this=00000135D9CEDA41